fix tests

Author: Antonio Ojea

tests/tests.bats

@@ -167,14 +167,16 @@ teardown() {
 
 @test "TCP listen without iptables" {
     sudo ip netns exec SouthNS bash -c '../bin/netkat --listen 1.1.1.2 9090 > /tmp/test_output.log' 3>&- &
+    sleep 1
     sudo ip netns exec NorthNS bash -c "cat ./test_short.log | nc 1.1.1.2 9090"
     run diff ./test_short.log /tmp/test_output.log
     [ "$status" -eq 0 ]
 }
 
 @test "TCP listen without iptables long file" {
     sudo ip netns exec SouthNS bash -c '../bin/netkat --listen 1.1.1.2 9090 > /tmp/test_output.log' 3>&- &
-    sudo ip netns exec NorthNS bash -c "cat ./test_long.log | nc 9090"
+    sleep 1
+    sudo ip netns exec NorthNS bash -c "cat ./test_long.log | nc 1.1.1.2 9090"
     run diff ./test_long.log /tmp/test_output.log
     [ "$status" -eq 0 ]
 }
@@ -206,7 +208,7 @@ teardown() {
 
 @test "TCP listen with iptables in input" {
     # add iptables rule to block traffic
-    sudo ip netns exec NorthNS bash -c "iptables -A INPUT -d 1.1.1.2 -j DROP"
+    sudo ip netns exec SouthNS bash -c "iptables -A INPUT -d 1.1.1.2 -j DROP"
     # verify it actually drops traffic
     run sudo ip netns exec NorthNS ping -c 1 1.1.1.2
     [ "$status" -eq 1 ]
@@ -219,7 +221,7 @@ teardown() {
 
 @test "TCP listen with iptables in input long file" {
     # add iptables rule to block traffic
-    sudo ip netns exec NorthNS bash -c "iptables -A INPUT -d 1.1.1.2 -j DROP"
+    sudo ip netns exec SouthNS bash -c "iptables -A INPUT -d 1.1.1.2 -j DROP"
     # verify it actually drops traffic
     run sudo ip netns exec NorthNS ping -c 1 1.1.1.2
     [ "$status" -eq 1 ]